2020-09-03 19:12:43 +00:00
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#include <stdint.h>
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#include "si5351_handler.h"
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#include "radio_si5351.h"
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#include "log.h"
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static volatile bool radio_si5351_state_change = false;
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static volatile uint64_t radio_si5351_freq = 0;
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bool radio_start_transmit_si5351(radio_transmit_entry *entry, radio_module_state *shared_state)
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{
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2020-09-10 19:57:41 +00:00
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si5351_set_drive_strength(SI5351_CLOCK_CLK0, entry->tx_power);
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2020-09-03 19:12:43 +00:00
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si5351_set_frequency(SI5351_CLOCK_CLK0, ((uint64_t) entry->frequency) * 100ULL);
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si5351_output_enable(SI5351_CLOCK_CLK0, true);
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return true;
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}
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bool radio_transmit_symbol_si5351(radio_transmit_entry *entry, radio_module_state *shared_state)
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{
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switch (entry->data_mode) {
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case RADIO_DATA_MODE_CW:
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return false;
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default: {
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int8_t next_tone_index = entry->fsk_encoder_api->next_tone(&entry->fsk_encoder);
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if (next_tone_index < 0) {
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return false;
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}
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log_trace("Tone: %d\n", next_tone_index);
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uint64_t frequency =
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((uint64_t) entry->frequency) * 100UL + (next_tone_index * shared_state->radio_current_tone_spacing_hz_100);
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radio_si5351_freq = frequency;
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radio_si5351_state_change = true;
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break;
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}
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}
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return true;
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}
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void radio_handle_main_loop_si5351(radio_transmit_entry *entry, radio_module_state *shared_state)
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{
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if (entry->radio_type != RADIO_TYPE_SI5351) {
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return;
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}
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if (radio_si5351_state_change) {
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radio_si5351_state_change = false;
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si5351_set_frequency(SI5351_CLOCK_CLK0, radio_si5351_freq);
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}
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}
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bool radio_stop_transmit_si5351(radio_transmit_entry *entry, radio_module_state *shared_state)
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{
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si5351_output_enable(SI5351_CLOCK_CLK0, false);
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return true;
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}
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